Seekins Precision SP15 with 18-inch stainless steel match barrel and rifle-length gas system. Extended barrel version for competition and precision hunting, offering reduced bolt velocity and improved consistency at longer ranges. Free-float Seekins handguard with M-LOK. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2013, USA Weight: 106 oz Overall length: 36.5" Status: Active Intended use: Competition, Precision Shooting, Varmint